The First Doctor introduced viewers to an incredible show that is still popular 50 years later. ‘The Doctors Revisited’ looks in detail at this citizen of the universe to find out what makes this Doctor so unique. We take a look at his time machine the TARDIS, meet his companions and finally confront his most famous foes, the Daleks.

Contributors: David Tennant, Neil Gaiman, John Barrowman, Steven Moffat, Caro Skinner, Peter Purves and William Russell.